-7x-3(3x+6)=142

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Solution for -7x-3(3x+6)=142 equation:


Simplifying
-7x + -3(3x + 6) = 142

Reorder the terms:
-7x + -3(6 + 3x) = 142
-7x + (6 * -3 + 3x * -3) = 142
-7x + (-18 + -9x) = 142

Reorder the terms:
-18 + -7x + -9x = 142

Combine like terms: -7x + -9x = -16x
-18 + -16x = 142

Solving
-18 + -16x = 142

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '18' to each side of the equation.
-18 + 18 + -16x = 142 + 18

Combine like terms: -18 + 18 = 0
0 + -16x = 142 + 18
-16x = 142 + 18

Combine like terms: 142 + 18 = 160
-16x = 160

Divide each side by '-16'.
x = -10

Simplifying
x = -10

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